Home / 808,338.12-1,115,043.48-506,007.24

Finding the Fourth Proportional to 808,338.12, 1,115,043.48 and 506,007.24

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Solution

The fourth proportional to 808,338.12, 1,115,043.48 and 506,007.24 is: 698,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,338.12 : 1,115,043.48 = 506,007.24 : x
  2. Step 2: Convert to fraction form
    808,338.12/1,115,043.48 = 506,007.24/x
  3. Step 3: Cross multiply
    808,338.12x = 1,115,043.48 × 506,007.24
  4. Step 4: Simplify right side
    808,338.12x = 564,220,073,794.80
  5. Step 5: Solve for x
    x = 564,220,073,794.80/808,338.12
  6. Step 6: Final answer
    x = 698,000.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.